/**
 * This file is part of 1genia trampoline
 * Copyright (C) 2007 1genia (contact@1genia.com)
 *
 * This library is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; version 3 of the License. 
 *
 * This library is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Library General Public License for more details. 
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; see the file COPYING.TXT.  If not,
 * write to the Free Software Foundation, Inc., 51 Franklin Street,
 * Fifth Floor, Boston, MA 02110-1301, USA. 
 **/
package com.genia.toolbox.web.gwt.form.client.validator.impl;

import java.util.List;

import com.genia.toolbox.web.gwt.form.client.validator.Validator;
import com.genia.toolbox.web.gwt.form.client.validator.ValidatorCallback;

/**
 * A validator that validate multiple values using an
 * {@link AbstractSimpleValueValidator}.
 */
public class AbstractIterativeValidator
    implements Validator
{

  /**
   * the {@link AbstractSimpleValueValidator} that is used on each value.
   */
  private AbstractSimpleValueValidator abstractSimpleValueValidator;



  /**
   * constructor.
   */
  public AbstractIterativeValidator()
  {
  }



  /**
   * constructor.
   * 
   * @param abstractSimpleValueValidator
   *          the {@link AbstractSimpleValueValidator} that is used on each
   *          value
   */
  protected AbstractIterativeValidator(AbstractSimpleValueValidator abstractSimpleValueValidator)
  {
    this.abstractSimpleValueValidator = abstractSimpleValueValidator;
  }



  /**
   * validate if the item's values is acceptable.
   * 
   * @param values
   *          the values to validate.
   * @param callback
   *          the callback that will be called once the validation is done
   * @see com.genia.toolbox.web.gwt.form.client.validator.Validator#validate(java.util.List,
   *      com.genia.toolbox.web.gwt.form.client.validator.ValidatorCallback)
   */
  public void validate(List<String> values, ValidatorCallback callback)
  {
    if (values == null) {
      callback.validationResult(null);
    }
    new IterativeValidatorValidatorCallback(abstractSimpleValueValidator, values, callback).validate();
  }



  /**
   * getter for the abstractSimpleValueValidator property.
   * 
   * @return the abstractSimpleValueValidator
   */
  public AbstractSimpleValueValidator getAbstractSimpleValueValidator()
  {
    return abstractSimpleValueValidator;
  }
}
